Looking for SEO Tools? Check SEO Chat

If you´re looking to improve your knowledge in Search Engine Optimization and you need SEO tools, maybe you should check out this Website I came across: http://www.seochat.com/
I think this Site is very useful because it has many different SEO tools available, and they´re all for free. SEO Chat offers free tools like: Adsense Calculator, Google Suggest, Link Popularity tool, Meta Tag Generator, Page Rank Lookup, Roi Calculator, different Keyword related tools, and much more.
I´ve tried a few of their tools and they were all working, so all this for free in just one place is what I call a good deal. Besides all this, SEO Chat has Tutorials, free resources like scripts and other stuff, Forums, as well as good articles in SEO related topics.